Achromatic 3D Multi‐Color Orbital Angular Momentum Holography DOI Creative Commons
Hang Su, Baoli Li, Yu Bai

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: April 24, 2025

Abstract Orbital angular momentum (OAM) holography represents a transformative technique for enhancing the information channel capacity of holographic systems through convolution theoretical infinite OAM states with discrete sampling target images. However, inherent axial chromatic aberration (ACA) in Fourier lens functions leads to misalignment planes OAM‐dependent holograms across different wavelengths, thereby limiting 3D multicolor holography. To address this challenge, novel approach achieving achromatic multi‐color using spatial multiplexing scheme is presented. Specifically, an optically digitalized hologram developed by superposing wavelength‐specific onto monochromatic holograms, followed high‐resolution discretization and interleaving via two‐photon lithography (TPL). Experimental results demonstrate that method enables double‐plane (along propagation direction light), 3‐color (633, 532, 460 nm), 3‐channel OAM‐multiplexing display (OAM order l en = 1,4, 7) ACA correction, utilizing nano‐printed featuring subwavelength (600 nm) pixel size. This breakthrough paves way high‐capacity, multi‐spectral data storage retrieval, significant implications augmented reality (AR)/virtual (VR) display, optical encryption, artificial intelligence.

Language: Английский

Achromatic 3D Multi‐Color Orbital Angular Momentum Holography DOI Creative Commons
Hang Su, Baoli Li, Yu Bai

et al.

Advanced Science, Journal Year: 2025, Volume and Issue: unknown

Published: April 24, 2025

Abstract Orbital angular momentum (OAM) holography represents a transformative technique for enhancing the information channel capacity of holographic systems through convolution theoretical infinite OAM states with discrete sampling target images. However, inherent axial chromatic aberration (ACA) in Fourier lens functions leads to misalignment planes OAM‐dependent holograms across different wavelengths, thereby limiting 3D multicolor holography. To address this challenge, novel approach achieving achromatic multi‐color using spatial multiplexing scheme is presented. Specifically, an optically digitalized hologram developed by superposing wavelength‐specific onto monochromatic holograms, followed high‐resolution discretization and interleaving via two‐photon lithography (TPL). Experimental results demonstrate that method enables double‐plane (along propagation direction light), 3‐color (633, 532, 460 nm), 3‐channel OAM‐multiplexing display (OAM order l en = 1,4, 7) ACA correction, utilizing nano‐printed featuring subwavelength (600 nm) pixel size. This breakthrough paves way high‐capacity, multi‐spectral data storage retrieval, significant implications augmented reality (AR)/virtual (VR) display, optical encryption, artificial intelligence.

Language: Английский

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